Clamping Knobs 3-Arm

In stock

Our Clamping 3-Arm Knobs allow a secure grip to position, control and hold various equipment across a wide range of industries. The lobe and prong design provide a deeper scalloped profile with excellent control and gripping features. These are an ideal choice for moderate clamping applications and offer a simple yet economical solution.

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Product SKUs information
Quick View Item code Price range Availability Knob Diameter Thread Size Grip Type Knob Material
KNS1800A
$0.339 - $1.1268 4434 In stock
1.575 in
5/16-18
Ergonomic
Polypropylene
KNS1700A
$0.323 - $1.0809 6161 In stock
1.575 in
5/16-18
Ergonomic
Polypropylene
KNS2100A
$0.506 - $1.6867 225 In stock
2.362 in
5/16-18
Ergonomic
Polypropylene
KNS1000A
$0.375 - $1.2507 2928 In stock
1.575 in
5/16-18
Ergonomic
Polypropylene
KNS1100A
$0.567 - $1.8933 7050 In stock
2.362 in
5/16-18
Ergonomic
Polypropylene
KNS1900A
$0.388 - $1.2966 2189 In stock
1.575 in
5/16-18
Ergonomic
Polypropylene
KNS1600A
$0.366 - $1.2163 3878 In stock
1.575 in
1/4-20
Ergonomic
Polypropylene
KNS2000A
$0.493 - $1.6408 7728 In stock
2.362 in
5/16-18
Ergonomic
Polypropylene
KN4C20003P4--21
$1.07 - $2.33 2250 In stock
1.750 in
1/4-20
Ergonomic
Polypropylene
KN4C15003P4--21
$1.02 - $2.22 3200 In stock
1.750 in
1/4-20
Ergonomic
Polypropylene
KN6C----3P4B-21
$1.03 - $2.24 In production
1.750 in
3/8-16
Ergonomic
Polypropylene
KN6C15003P4--21
$1.03 - $2.25 1800 In stock
1.750 in
3/8-16
Ergonomic
Polypropylene
KN4C----3P4--21
$1.01 - $2.21 In production
1.750 in
1/4-20
Ergonomic
Polypropylene
KN4C----3P4L-21
$1.01 - $2.21 In production
1.750 in
1/4-20
Ergonomic
Polypropylene
KN5C----RT5--21
$0.78 - $1.7 800 In stock
2.000 in
5/16-18
Prominent
Polypropylene
KN5C1250RT5--21
$0.98 - $2.14 In production
2.000 in
5/16-18
Prominent
Polypropylene
KN6C1250RT7--21
$1.2 - $2.61 In production
2.500 in
3/8-16
Prominent
Polypropylene
KN6C2000RT5--21
$1.06 - $2.3 In production
2.000 in
3/8-16
Prominent
Polypropylene
KN4C07503P4--21
$0.94 - $2.05 2307 In stock
1.750 in
1/4-20
Ergonomic
Polypropylene
KN5C07503P4--21
$0.95 - $2.06 In production
1.750 in
5/16-18
Ergonomic
Polypropylene
KN4C07503P1--21
$0.7 - $1.53 3000 In stock
1.250 in
1/4-20
Ergonomic
Polypropylene
KN5C17503P4--21
$1.05 - $2.29 In production
1.750 in
5/16-18
Ergonomic
Polypropylene
KN5C12503P4--21
$1 - $2.18 354 In stock
1.750 in
5/16-18
Ergonomic
Polypropylene
KN04----3P4--21
$1.01 - $2.19 2400 In stock
1.750 in
10-24
Ergonomic
Polypropylene
KN5C----3P4L-21
$1.02 - $2.23 3600 In stock
1.750 in
5/16-18
Ergonomic
Polypropylene
  • of 3
3-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KNS1800A

Price Range
$1.1268 - $0.339

Stock Levels
4434 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Stud Length
    0.750 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KNS1700A

Price Range
$1.0809 - $0.323

Stock Levels
6161 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Stud Length
    0.500 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 60 mm | 2.362 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KNS2100A

Price Range
$1.6867 - $0.506

Stock Levels
225 In stock
Attributes
  • Knob Diameter
    2.362 in
  • Stud Length
    0.750 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 5/16-18

KNS1000A

Price Range
$1.2507 - $0.375

Stock Levels
2928 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
  • Insert Material
    Steel
3-Arm Knob - Knob Diameter 60 mm | 2.362 in; Thread Size 5/16-18

KNS1100A

Price Range
$1.8933 - $0.567

Stock Levels
7050 In stock
Attributes
  • Knob Diameter
    2.362 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
  • Insert Material
    Steel
3-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 5/16-18; Stud Length 34.9 mm | 1.375 in

KNS1900A

Price Range
$1.2966 - $0.388

Stock Levels
2189 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Stud Length
    1.375 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 1/4-20; Stud Length 34.9 mm | 1.375 in

KNS1600A

Price Range
$1.2163 - $0.366

Stock Levels
3878 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Stud Length
    1.375 in
  • Thread Size
    1/4-20
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 60 mm | 2.362 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KNS2000A

Price Range
$1.6408 - $0.493

Stock Levels
7728 In stock
Attributes
  • Knob Diameter
    2.362 in
  • Stud Length
    0.500 in
  • Thread Size
    5/16-18
  • Finish
    Clear Zinc
  • Grip Type
    Ergonomic
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 50.8 mm | 2.000 in

KN4C20003P4--21

Price Range
$2.33 - $1.07

Stock Levels
2250 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    2.000 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 38.1 mm | 1.500 in

KN4C15003P4--21

Price Range
$2.22 - $1.02

Stock Levels
3200 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.500 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 3/8-16

KN6C----3P4B-21

Price Range
$2.24 - $1.03

Stock Levels
In production
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    3/8-16
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 3/8-16; Stud Length 38.1 mm | 1.500 in

KN6C15003P4--21

Price Range
$2.25 - $1.03

Stock Levels
1800 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.500 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Knob Height 26.7 mm | 1.050 in

KN4C----3P4--21

Price Range
$2.21 - $1.01

Stock Levels
In production
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    1/4-20
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Knob Height 26.7 mm | 1.050 in

KN4C----3P4L-21

Price Range
$2.21 - $1.01

Stock Levels
In production
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    1/4-20
3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; Thread Size 5/16-18; Knob Height 27.9 mm | 1.100 in

KN5C----RT5--21

Price Range
$1.7 - $0.78

Stock Levels
800 In stock
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    1.100 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Thread Size
    5/16-18
3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; Thread Size 5/16-18; Stud Length 31.8 mm | 1.250 in

KN5C1250RT5--21

Price Range
$2.14 - $0.98

Stock Levels
In production
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    1.100 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    1.250 in
3-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 31.8 mm | 1.250 in

KN6C1250RT7--21

Price Range
$2.61 - $1.2

Stock Levels
In production
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.120 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.480 in
  • Stud Length
    1.250 in
3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; Thread Size 3/8-16; Stud Length 50.8 mm | 2.000 in

KN6C2000RT5--21

Price Range
$2.3 - $1.06

Stock Levels
In production
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    1.100 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    2.000 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 19.1 mm | 0.750 in

KN4C07503P4--21

Price Range
$2.05 - $0.94

Stock Levels
2307 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    0.750 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KN5C07503P4--21

Price Range
$2.06 - $0.95

Stock Levels
In production
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    0.750 in
3-Arm Knob - Knob Diameter 31.8 mm | 1.250 in; Thread Size 1/4-20; Stud Length 19.1 mm | 0.750 in

KN4C07503P1--21

Price Range
$1.53 - $0.7

Stock Levels
3000 In stock
Attributes
  • Knob Diameter
    1.250 in
  • Knob Height
    0.950 in
  • Hub Diameter
    0.620 in
  • Hub Height
    0.500 in
  • Stud Length
    0.750 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 44.5 mm | 1.750 in

KN5C17503P4--21

Price Range
$2.29 - $1.05

Stock Levels
In production
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.750 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 31.8 mm | 1.250 in

KN5C12503P4--21

Price Range
$2.18 - $1

Stock Levels
354 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.250 in
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 10-24; Knob Height 26.7 mm | 1.050 in

KN04----3P4--21

Price Range
$2.19 - $1.01

Stock Levels
2400 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    10-24
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Knob Height 26.7 mm | 1.050 in

KN5C----3P4L-21

Price Range
$2.23 - $1.02

Stock Levels
3600 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.050 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    5/16-18